From: Ian Lance Taylor <iant@golang.org>
Date: Thu, 20 Dec 2018 01:49:11 +0000 (-0800)
Subject: os: clarify O_TRUNC comment
X-Git-Tag: go1.12beta2~102
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=745273f739fc63a5a4089d81c85f33edca58f0e9;p=gostls13.git

os: clarify O_TRUNC comment

Fixes #28699

Change-Id: Ic340c3171bb7d91d8cb9553967c2b51e7d9daba8
Reviewed-on: https://go-review.googlesource.com/c/155177
Reviewed-by: Bryan C. Mills <bcmills@google.com>
---

diff --git a/src/os/file.go b/src/os/file.go
index 9b7863e9b6..228777c677 100644
--- a/src/os/file.go
+++ b/src/os/file.go
@@ -73,7 +73,7 @@ const (
 	O_CREATE int = syscall.O_CREAT  // create a new file if none exists.
 	O_EXCL   int = syscall.O_EXCL   // used with O_CREATE, file must not exist.
 	O_SYNC   int = syscall.O_SYNC   // open for synchronous I/O.
-	O_TRUNC  int = syscall.O_TRUNC  // if possible, truncate file when opened.
+	O_TRUNC  int = syscall.O_TRUNC  // truncate regular writable file when opened.
 )
 
 // Seek whence values.